---
1
<await(data.getD1())>
    <@then|d1|>
        2
        <await(data.getD2())>
            <@then|d2|>3</@then>
        </await>
        4
        <await(data.getD3())>
            <@then|d3|>5</@then>
        </await>
        6
    </@then>
</await>
7
<await(data.getD4())>
    <@then|d4|>8</@then>
</await>
9
---